Bump addressable from 2.7.0 to 2.8.0 in /omnibus

Bumps [addressable](https://github.com/sporkmonger/addressable) from 2.7.0 to 2.8.0.
- [Release notes](https://github.com/sporkmonger/addressable/releases)
- [Changelog](https://github.com/sporkmonger/addressable/blob/main/CHANGELOG.md)
- [Commits](sporkmonger/addressable@addressable-2.7.0...addressable-2.8.0)

---
updated-dependencies:
- dependency-name: addressable
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

omnibus/Gemfile.lock

@@ -10,7 +10,7 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     awesome_print (1.8.0)
     aws-eventstream (1.0.3)
@@ -89,7 +89,7 @@ GEM
       zhexdump (>= 0.0.2)
     plist (3.5.0)
     progressbar (1.10.1)
-    public_suffix (4.0.1)
+    public_suffix (4.0.6)
     ruby-progressbar (1.10.1)
     systemu (2.6.5)
     thor (0.20.3)